Andrew j



- (No model.) A. J. SHEPARD;

Flue Gleaner.

No. 238,005. PaientedFeb. 22,1881.

m'lnenes b I liven/i015 N PETERSA FHDTULITHOGRAPHER, msmn's'm u c UNITED STATES PATENT OFFI E.

ANDREW J. SHEPARD, OF BUFFALO, NEW YORK, ASSIGNOR TO HIMSELF AND CHRISTIAN STURM, OF SAME PLACE.

FLU E-CLEAN ER.

SPECIFICATION forming part of Letters Patent No. 238,005, dated February 22, 1881.

Application filed April 26, 1880. (N 0 model.)

To all whom 2t may concern Be it known that I, ANDREW J. SHEPARD, a citizen of the United States, residing in the city of Bufi'alo, in the county of Erie and State of New York, have invented certain new and useful ImprovementsinFlue-Oleaners,of which I the following is a specification.

My invention relates to devices for cleaning out the fines of boilers; and it consists of a spiral spring made of a single strip of flat thin metal provided with a cleaning-flange, and having both ends formed sothat it may be moved along the flue either way without catching, as will be more clearly hereinafter shown by reference to the drawing, in which- A represents the spring; B, a scraping or cleaning flange formed in one piece with it. The end 0 of the spring A is curved, as shown, so that it will enter the fines without catching, and the opposite end, D, is made smaller than the body of the spring, so that it maybe moved the other way Without catching.

The operation will be easily understood from the drawing.

The metal being thin and sufficiently flexi- 25 Die, allows the flange B to accommodate itself to the inequalities of the boiler-tubes in which it is used.

E represents the usual socketed end, to which the rod and handle are connected by a screw or 30 other well-known means.

I claim as my invention- A flue-cleaner consisting of a thin strip of metalhaving its sides formed with struck-up flanges and then twisted to spiral form, sub 3 5 stantially as set forth.

ANDREW J. SHEPARD.

Witnesses:

HUGH SANGSTER, A. J. SANGSTER. 

